4057265 has 16 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 3123456.

The previous prime is 4057247. The next prime is 4057297. The reversal of 4057265 is 5627504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4057265 is a prime.

It is a super-2 number, since 2×4057265² = 32922798560450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24212 + ... + 24378.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

Almost surely, 2^4057265 is an apocalyptic number.

It is an amenable number.

4057265 is a deficient number, since it is larger than the sum of its proper divisors (998863).

4057265 is a wasteful number, since it uses less digits than its factorization.

4057265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 4057265 is about 2014.2653747707. The cubic root of 4057265 is about 159.4940397336.

The spelling of 4057265 in words is "four million, fifty-seven thousand, two hundred sixty-five".